I'm looking for a C, C++, or Objective-C library that can connect to a MySQL database. I'm aware of libmysqlclient (GPL) and SQLAPI++ (non-GPL).
Are there any alternatives besides SQLAPI++ that can be included in a non-GPL project?
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Is LGPL okay? I'm assuming you just don't want the GPL to infect your code. – Collin Dauphinee Mar 30 '11 at 21:16
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I just wrote this https://github.com/ciaranj/MySqueakQl for anyone else who comes this way. – ciaranj Feb 21 '12 at 18:54
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The MySQL C connector used to be LGPL (thus, allowing dynamic linking to proprietary code). Oracle has changed the license from LGPL to GPL starting from versions later than 3.23.58.
To use a LGPL connector therefore you have the following options:
- Use the old version (i.e. LGPL) of the MySQL connector: https://mariadb.com/kb/en/mariadb/lgpl-mysql-client-library-32358/
- Use the MariaDB connector (a fork of the old LGPL MySQL connector): https://mariadb.com/kb/en/mariadb/mariadb-connector-c/
- Use Qt's database drivers (which are LGPL and have connectors for databases): http://doc.qt.io/qt-4.8/sql-driver.html
- Use Libdrizzle: https://launchpad.net/libdrizzle
Claudio
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Try SOCI or POCO. Both are under the Boost Software License.
EDIT: Indeed you are right. And it seems you're in a hot spot and would have to buy a MySQL license, at least according to the following
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iODBC is BSD-licensed, and provides an ODBC client implementation.
The user could then install the MySQL Connector/ODBC to interface with the MySQL server.
smokris
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